2668590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 7020000

約数和(自身を除く): 4351410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 199, 298, 398, 447, 597, 745, 894, 995, 1194, 1341, 1490, 1791, 1990, 2235, 2682, 2985, 3582, 4470, 5970, 6705, 8955, 13410, 17910, 29651, 59302, 88953, 148255, 177906, 266859, 296510, 444765, 533718, 889530, 1334295, 2668590]

約数ペア:

[(1, 2668590), (2, 1334295), (3, 889530), (5, 533718), (6, 444765), (9, 296510), (10, 266859), (15, 177906), (18, 148255), (30, 88953), (45, 59302), (90, 29651), (149, 17910), (199, 13410), (298, 8955), (398, 6705), (447, 5970), (597, 4470), (745, 3582), (894, 2985), (995, 2682), (1194, 2235), (1341, 1990), (1490, 1791)]